import java.util.Scanner;
public class Example3_4 {
  public static void main(String[] args) {
    int number = 0;
    System.out.println("输入正整数(回车确定)");
    Scanner reader = new Scanner (System.in);
    number = reader.nextInt();
    switch (number) {
      case 9 :
      case 131:
      case 12 :   System.out.println(number+"是三等奖");
                  break;
      case 209:
      case 596:
      case 27:  System.out.println(number+"是二等奖");
                break;
      case 875:
      case 316:
      case 59:    System.out.println(number+"是一等奖");
                  break;
      default:
        System.out.println(number+"未中奖");
    }
  }
}
